Year % of male primary school age 1970 20.844030380249 1971 20.605619430542 1972 19.6458206176758 1973 17.8769397735596 1974 17.2335605621338 1975 16.5507907867432 1976 16.0155792236328 1977 15.6247301101685 1978 16.1164398193359 1979 15.5874300003052 1980 14.9562702178955 1981 14.2458000183105 1982 13.7925100326538 1983 13.5005102157593 1984 13.3026103973389 1985 12.9355897903442 1986 12.5853996276855 1987 12.4200496673584 1988 11.7694997787476 1989 11.0634098052979 1990 11.3659496307373 1991 11.0365896224976 1992 11.0352401733398 1993 11.0087203979492 1994 11.1961803436279 1995 11.9114103317261 1996 12.3678197860718 1997 12.6063098907471 1998 11.8261203765869 1999 10.7457103729248 2000 10.1213703155518 2001 9.94929981231689 2002 9.97739028930664 2003 9.57777976989746 2004 8.57721996307373 2005 7.94785022735596 2006 8.19099044799805 2007 6.73523998260498 2008 7.14141988754272 2009 7.56801986694336 2010 7.69971 2011 7.96531 2012 7.48531 2013 7.15764 2014 6.86665 2015 6.84807 2016 6.5731 2017 6.40062 2018 6.12126